BSP452

@@ -0,0 +1,43 @@+# BSP452++**Infineon** · AC-DC Controllers and Regulators · SOT-223++BSP452 from Infineon, in a SOT-223. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | OUT | power_out | High-side switched output to the load. Connected to the drain-side of the internal N-channel power FET; RON ~0.16 Ω typ at Tj=25 °C, self-limited load current IL(SC) ~1.5 A typ, output clamps at Vbb-VON(CL) (~47 V typ) during inductive switch-off. |+| 2 | GND | power_in | Logic (signal) ground reference for the device. A 150 Ω resistor in series with GND is required for reverse-battery protection and to limit GND current at supply voltages above Vbb(AZ). |+| 3 | IN | input | CMOS-compatible logic input that activates the high-side power switch on a logical high signal. VIN(T+) max 3.5 V, VIN(T-) min 1.5 V, integrated series resistor RIN ~2.8 kΩ typ, allowable input range -3.0 V to Vbb (input current must not exceed ±5 mA). |+| 4 | Vbb | power_in | Positive battery/power supply input. Operating range 5.0 V to 34 V, absolute max 40 V; undervoltage shutdown at 3.5-5 V, overvoltage shutdown at 34-42 V, internal overvoltage clamp Vbb(AZ) ≥41 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Infineon |+| Package | SOT-223 |+| Category | PMIC |+| Pins | 4 |++## Ordering variants++- `BSP452Q67000-S271`++## CAD (KiCad official)++- Symbol: `BSP452`+- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`+- 3D model: SOT-223 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Infineon datasheet](docs/bsp452-datasheet.pdf) (10 pp, sha256 `815edbc3f6313043`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/bsp452-datasheet.pdf)

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